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Old 07-01-2014, 01:39 AM   #1
84CopperGT
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Default 1.7 rockers

Do 1.7 roller rockers need a tune? I am trying to get around 200 rwhp without spending too much money. Trying to save up for a built engine but want some fun along the way.
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1989 5.0 LX vert auto. Rear cats removed, flow 50s replaced with straight pipes. Quieter with no drone than with the Flow 50s.
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Old 07-01-2014, 04:17 AM   #2
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No they don't require a tune.
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Old 07-01-2014, 08:12 PM   #3
reldla1996
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I second, no tune required. One of my early mods, and you will note the difference.
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Old 07-02-2014, 03:00 AM   #4
84CopperGT
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are there any that fit under the stock valve covers?
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1989 5.0 LX vert auto. Rear cats removed, flow 50s replaced with straight pipes. Quieter with no drone than with the Flow 50s.
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Old 07-02-2014, 08:40 AM   #5
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I don't think after market roller rockers will fit. You'll have to research this but I think the stamped 1.7 rockers from a 351 motor will clear. They should be a lot cheaper also.
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Old 07-02-2014, 07:44 PM   #6
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I originally used Crane Cobra 1.7 roller rockers, and more recently comp ultra gold 1.7 roller rockers, both under the factory valve covers - which I still use. I had to remove the oil baffle to fit the Crane Cobras, and had to grind a little bit to clear the ultra golds, but they fit.
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89 Coupe, 369 big bore, AFR, custom Comp cam, Kooks, 3" exhaust, 11.6 @ 121 mph
04 Cobra, JLT 12" CAI, Magnaflow, Borla, Stifflers, FTBR Rr Susp, MM Frt Susp, 12.4 @ 115 mph
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Old 07-02-2014, 08:26 PM   #7
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They will give you alittle more lift ! I used the original 93 cobra valve covers with mine. Here's a few pics..

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Old 07-02-2014, 09:19 PM   #8
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Quote:
Originally Posted by reldla1996 View Post
I originally used Crane Cobra 1.7 roller rockers, and more recently comp ultra gold 1.7 roller rockers, both under the factory valve covers - which I still use. I had to remove the oil baffle to fit the Crane Cobras, and had to grind a little bit to clear the ultra golds, but they fit.
Did removing the oil baffle do anything besides give clearance?
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1989 5.0 LX vert auto. Rear cats removed, flow 50s replaced with straight pipes. Quieter with no drone than with the Flow 50s.
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Old 07-02-2014, 10:33 PM   #9
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I never had an issue after removing the oil baffle, but I've read other people complaining about it.
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04 Cobra, JLT 12" CAI, Magnaflow, Borla, Stifflers, FTBR Rr Susp, MM Frt Susp, 12.4 @ 115 mph
67 Cougar, XR7 GT, 462 FE, 4 spd, Edelbrock heads, PI intake, Global West
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Old 07-02-2014, 10:37 PM   #10
84CopperGT
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Quote:
Originally Posted by reldla1996 View Post
I never had an issue after removing the oil baffle, but I've read other people complaining about it.
So the worse thing that can happen is I need to buy a set of valve covers?
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1989 5.0 LX vert auto. Rear cats removed, flow 50s replaced with straight pipes. Quieter with no drone than with the Flow 50s.
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Old 07-02-2014, 10:37 PM
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